METHOD AND APPARATUS FOR PREVENTING CLOGGING OF WIPING NOZZLE

PROBLEM TO BE SOLVED: To provide a clogging prevention method which can surely prevent clogging caused by adhesion of molten zinc to a wiping nozzle, and to provide a clogging prevention apparatus.SOLUTION: When a welding point between a preceding steel sheet and a subsequent steel sheet passes thro...

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Bibliographische Detailangaben
Hauptverfasser:	SHIN TERUAKI, OZAWA YUICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a clogging prevention method which can surely prevent clogging caused by adhesion of molten zinc to a wiping nozzle, and to provide a clogging prevention apparatus.SOLUTION: When a welding point between a preceding steel sheet and a subsequent steel sheet passes through a wiping nozzle part of a continuous molten zinc plating line, a clogging prevention plate is inserted between the steel sheet and wiping nozzles at the same time when a baffle plate adjacently arranged along a traveling steel sheet edge is evacuated, or immediately before the evacuation, to prevent scattering of molten zinc, whereby clogging of the wiping nozzles is prevented. 【課題】ワイピングノズルへの溶融亜鉛付着による目詰まりを確実に防止することができる目詰り防止方法を提案するとともに、その装置を提供する。【解決手段】連続式溶融亜鉛めっきラインのワイピングノズル部を、先行鋼板と後行鋼板の溶接点が通過する際、走行する鋼板端部に沿って近接配置されたバッフルプレートを退避させると同時に、または、退避させる直前に、鋼板とワイピングノズル間に目詰り防止板を挿入し、溶融亜鉛の飛散を防止することによって、ワイピングノズルの目詰まりを防止する。【選択図】図７